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| n | a(n) |
|---|---|
| 1 | 4 |
| 2 | 5 |
| 3 | 18 |
| 4 | 20 |
| 5 | 21 |
| 6 | 24 |
| 7 | 25 |
| 8 | 27 |
| 9 | 70 |
| 10 | 74 |
| 11 | 76 |
| 12 | 77 |
| 13 | 82 |
| 14 | 84 |
| 15 | 85 |
| 16 | 88 |
| 17 | 89 |
| 18 | 91 |
| 19 | 98 |
| 20 | 100 |
| 21 | 101 |
| 22 | 104 |
| 23 | 105 |
| 24 | 107 |
| 25 | 112 |
| 26 | 113 |
| 27 | 115 |
| 28 | 119 |
| 29 | 270 |
| 30 | 278 |
| 31 | 282 |
| 32 | 284 |
| 33 | 285 |
| 34 | 294 |
| 35 | 298 |
| 36 | 300 |
| 37 | 301 |
| 38 | 306 |
| 39 | 308 |
| 40 | 309 |
| 41 | 312 |
| 42 | 313 |
| 43 | 315 |
| 44 | 326 |
| 45 | 330 |
| 46 | 332 |
| 47 | 333 |
| 48 | 338 |
| 49 | 340 |
| 50 | 341 |
| 51 | 344 |
| 52 | 345 |
| 53 | 347 |
| 54 | 354 |
| 55 | 356 |
| 56 | 357 |
[4,5,18,20,21,24,25,27,70,74,76,77,82,84,85,88,89, 91,98,100,101,104,105,107,112,113,115,119,270,278, 282,284,285,294,298,300,301,306,308,309,312,313, 315,326,330,332,333,338,340,341,344,345,347,354, 356,357] |